McMaster-Carr logo
    Filter by
    System of Measurement
    For Pipe ID
    Expansion Plug Type
    Plate Material
    Maximum Air Back Pressure
    Sealing Location
    With Bypass
    Seal Material
    Overall Height
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Maximum Pressure
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Maximum Water Back Pressure
    Handle Material
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    4 Products

    Hex-Nut Expansion Plugs

    Image of Product. Front orientation. Expansion Plugs. Hex-Nut Expansion Plugs, Style B.

    Style B

    Tighten the nut on these plugs to expand the seal and close off pipe openings.
    Stainless Steel Plate—Plugs with a stainless steel plate have excellent corrosion resistance.
    Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.
    Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
    For
    Pipe
    Max. Back
    Pressure
    Size
    ID
    Air,
    psi
    Water, ft.
    of head
    Overall
    Ht.
    Temp. Range,
    ° F
    Seal
    Material
    Each
    Style B
     
    Stainless Steel Plate
    2 1/42.22" to 2.35"5122 15/16"-40 to 250Neoprene
    		2599K49000000
     

    Wing-Nut Expansion Plugs

    Image of Product. Front orientation. Expansion Plugs. Wing-Nut Expansion Plugs, Style A.

    Style A

    Twist the wing nut on these plugs to expand the seal and close off pipe openings.
    Style A—Style A aren’t recommended for pressure testing, so they’re often used as a dust cover.
    Stainless Steel Plate—Plugs with a stainless steel plate have excellent corrosion resistance.
    Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.
    Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
    For
    Pipe
    Max. Back
    Pressure
    Size
    ID
    Air,
    psi
    Water, ft.
    of head
    Overall
    Ht.
    Temp. Range,
    ° F
    Seal
    Material
    Each
    Style A
     
    Stainless Steel Plate
    2 1/42.22" to 2.35"5122 15/16"0 to 175Neoprene
    		2613K68000000
     

    Quick-Snap Expansion Plugs

    Image of Product. Front orientation. Expansion Plugs. Quick-Snap Expansion Plugs.
    Turn the cam handle to expand the seal, then snap the handle down to hold it in place and close off pipe openings.
    Zinc-Plated Steel Plate—Plugs with a zinc-plated steel plate have fair corrosion resistance.
    Stainless Steel Plate—Plugs with a stainless steel plate have excellent corrosion resistance.
    Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.
    Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
    For
    Pipe
    Max. Back
    Pressure
    Brass Handle
    Stainless
    Steel Handle
    Size
    ID
    Air,
    psi
    Water, ft.
    of head
    Overall
    Ht.
    Temp. Range,
    ° F
    Seal
    Material
    Each
    Each
     
    Zinc-Plated Steel Plate
    2 1/42.25" to 2.30"5122 5/16"-40 to 250Neoprene
    		2598K47000000———0
     
    Stainless Steel Plate
    2 1/42.25" to 2.30"5122 5/16"-40 to 250Neoprene
    		———09191T54000000
     
    back to top